Page 46 - Magazine August 2021
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Article                                                                                                                                                                                                                       Contractors News









        How the green future of the Middle                                                                                                               a circular economy model that is essential to address this  would contribute to improve the health of soils that are in


                                                                                                                                                         climate crisis and the overexploitation of resources. I see  need of organic matter as well as to close the natural cycle
        East can benefit from the water´s                                                                                                                these plans as a great opportunity to apply different ways of  that connects the city with the countryside. A good example

                                                                                                                                                                                                                            where we have applied this principle is at La Escalerilla
                                                                                                                                                         circular economy in the water cycle such as:
        circular economy                                                                                                                                 Water reuse                                                        water treatment plant in Arequipa (Peru).
                                                                                                                                                                                                                            Sludge generated at sewage treatment plants or desalination

                                                                                                                                                         Thanks to the innovative technological solutions in the area  treatment plants is rich in natural minerals that can be used
        By Julio de la Rosa, ACCIONA ME Business Development                                                                                             of water reuse, it is possible to optimize tertiary treatment  as well as a fertilizer.


                                                                                                                                                         processes and deliver solutions for the burgeoning demand  Our RAMSES Project, which emerged as a result of
        Director for our water solutions                                                                                                                 of water for agricultural uses, urban irrigation, recreational  implementing  efficient  solutions  to continue  re-using  the


                                                                                                                                                         activities, replenishing aquifers and protecting them from  treated wastewater effluent as a main source of irrigation
                                                                                                                                                         saline intrusion. We are constantly researching technological  water proved to be so necessary in areas of great water
        The dish is served –water scarcity– and                                                region as a whole.                                        developments for the reuse of wastewater—one example are  stress. As quality requirements for re-generated (effluent)
        the main ingredients are: limited natural                                              The Saudi Green Initiative entails the                    biological membrane reactors—to allow for a more extensive  water used for irrigation becomes more  demanding, we
        resources, increased droughts, global                                                  planting of 10 billion trees in the Kingdom,
                                                                                                                                                         and sustainable use of purified water.                             shall need additional  processes that will push treatment
        population growth, a change in the                                                     restoring 40 million hectares of degraded                 Besides, this water  reuse, depending on the treatment  costs upwards. Therefore, it is our duty to continue working
        consumption patterns and all that seasoned                                             land, generating 50% of electricity from
                                                                                                                                                         applied, can be full of nutrients that will reduce the use  on technologies and processes that enable wastewater for
        by a relentless climate change. It has been                                            renewables by 2030 and eliminating                        of chemical fertilizers, minimizing the potential impact  agriculture to be re-used efficiently, taking into account
        simmering for decades and now we have to                                               more than 130 million tons of carbon                      to natural aquifers. The objective would be to return this  the responsibility we have as a leading water treatment
        take the necessary actions to stop and revert                                          emissions. Under the Middle East Green                    resource to the environment with a level of quality similar or  company to fight the global warming that our planet is

        the situation that otherwise will cause an                                             Initiative, 40 billion trees will be planted              even higher than the one it had before being used, as well  suffering. Another strong point of the project is that it sets
        irreparable damage to the environment.                                                 in the region, 200 million hectares of                    as to find a value for the pollutants that the water contains  out to maximize resources, re-using many of them again in

        In the last few weeks of 2021, we have seen                                            degraded land will be restored and 94%                    derived from its use.                                              the same process and thereby promoting its circular nature.
        the governments of KSA and UAE launch a                Julio de la Rosa                of rubbish will be treated with the most                  The catalysts for these eco-designs are with no doubt,  The  RAMSES  Project  -  named  by  combining  part  of  the

        number of green initiatives in order to protect                                        sustainable technologies, reducing the                    innovation and technical excellence. We have managed to  initials of the full name in English (Enhanced Reclaimed
        the environment and to continue their fight against climate  carbon emissions by 60%.
                                                                                                                                                         increase the internal consumption of recycled, reused and  wAter quality through MainStream and Aerobic treatment
        change.                                                            These initiatives, which are part of the Vision 2030 reform                   rainwater to up to 44% of the total water used in its facilities,  using Supported biomass growth) - developed by ACCIONA,
        The Dubai 2040 Urban Master Plan, an outline of how the  strategy, will place Saudi Arabia at the center of regional
                                                                                                                                                         based on the principles of the circular economy. In our  has been partly funded by the European Commission
        Emirate will develop over the next 20 years, envisages  efforts to meet international targets on climate change                                  wastewater treatment plants, we have reached the highest  through the LIFE program and carried out in a WWTP at the

        large-scale changes to the landscape and the skyline in  mitigation, as well as it will help this country to achieve its
                                                                                                                                                         level of reused water so a high efficiency and sustainability is  South of Spain.
        order  to  promote  a  sustainable  urban  development.  The  own goals.
                                                                                                                                                         a reality now.  In Egypt, in four of our wastewater treatment  Under this entire context, it is necessary to make an effort
        Plan envisions the green and recreational areas dedicated  The Saudi Vision 2030 has already demonstrated the                                    plants (WWTPs), we have managed to reuse purified water  to conceive water as a key element in the concept of the
        to public parks to double in size, around 60% of Dubai to  Kingdom’s  determination  to  significantly  reduce  CO2
                                                                                                                                                         equivalent to that originated from a population of 500,000  circular economy, considering the environmental impacts
        become nature reserves and includes several new “green  emissions through the concept of the carbon´s circular                                   inhabitants, and then use it for irrigation.                       throughout its life cycle and managing them from the
        corridors”.                                                        economy.
                                                                                                                                                                                                                            beginning.  We need a fundamental new approach with the
        In the neighbor country, two new Saudi initiatives are  All these green initiatives are going to need a well-                                    Transforming sludge into resources                                 right technology and legal framework, because  what was
        generating buzz and enthusiasm for environmental  designed maintenance and sustainable plan including the
                                                                                                                                                         Driven by innovation, solid waste generated in a wastewater  considered a worthless waste until now, can be transformed
        protectionism and climate change mitigation far beyond the  participation of all stakeholders with a people-centered                             treatment plant can be used as a fertilizer for agriculture. The  into a valuable sustainable resource.

        Kingdom’s borders. Unveiled by Crown Prince Mohammed  mindset. The United Nations forecasts are that the planet
                                                                                                                                                         waste removed from the treatment plants has an important  Undoubtedly  the  Middle  East  region,  with some  of  the
        bin Salman at the end of March, the Saudi Green and Middle  will have a water deficit of 40% between now and 2030 if
                                                                                                                                                         content of organic matter and nutrients (mainly nitrogen and  world›s largest oil exporting countries, has started its own
        East Green initiatives call for regional cooperation to tackle  we continue with the current consumption habits. In this                         phosphorus) that is of high value for agricultural uses. This  trip to a greener future showing us the path to follow.
        the environmental challenges facing the Kingdom and the  situation, it is necessary for the society to move towards




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